300466 Ardisam Fuel Tank Grommet One-Hole Earthquake Viper Eskimo.  Part of Fuel Line Kit 3004117.

Fits the following:

M43 MAKO 10" 43CC GAS AUGER (M43Q10)
M43 MAKO 8" 43CC GAS AUGER (M43Q8)
M43Q9 MAKO 43CC 9 INCH QUANTUM (M43Q9)
S33Q8 STING RAY 33CC 8 INCH QUANTUM (S33Q8)
Z51Q10 SHARK 51.7CC 10 INCH QUANTUM (Z51Q10)
Z51Q8 SHARK 51.7CC 8 INCH QUANTUM (Z51Q8)
Z51Q9 SHARK 51CC & 9 INCH QUANTUM (Z51Q9)
Z71 SHARK 10" 71CC GAS AUGER (Z71Q10)

SR-4